354.Worker bees labor for the good of the hive by collecting food, caring for the young, and to expanding the nest.
355.Pathologists use their knowledge of body tissues and body fluids to aid other physicians.※思※兔※在※線※閱※讀※
356.Food restores energy that is used, rebuilds tissue cells that constantly need repair, and develops bones, muscles, and teeth.
357.The construction of sundials was considered to be an acceptable part of a student''s education as late as the seventeenth century.
358.Historians have never reached any general agreement about the precise causes of the Civil War in the United States.
359.Of all the Native Americans in the United States, the Navajos from the largest group.
360.A neutron star forms when a star much more massive than the Sun dies and explodes.
361.A thorough study of mythology requires familiarity the properties of properties of plants and trees, and the habits of wild birds and beasts.
362.Quartz may be transparent, translucent, or opaque, and it may be colorless or colored.
363.In an adult human, the skin weighs about seven pounds and covers about thirty-six square feet.
364.A leading Canadian feminist and author, Nellie McClung, struggled relentlessly in the early twentieth century to win political and legal right